Plasmon-Enhanced Sensing: Current Status and Prospects

Figure 3

(a) and (b) SEM image of gold nanoislands fabricated by evaporation and annealing. (c) SEM image of a hybrid structure of and shaped particles. (d) SEM image of nanorods with high aspect ratios. Scale bar in (c), 100 nm. (a), (b), (c), (d) are adapted from [80–83], respectively. (a): Copyright 2007, American Chemical Society. (b): Copyright 2011, American Chemical Society. (c): Copyright 2011, American Chemical Society. (d): Copyright 2014, Wiley.

(a)

(b)

(c)

(d)